What does the Alpha E03 fault code mean?

Your boiler has detected an issue with the ventilation system that clears away exhaust fumes, so it has safely shut itself down to prevent any risk.

How much does it cost to fix Alpha error code E03?

Typical repair cost for the Alpha E03 fault is £150-300 including labour.

Flue thermostat / Flue pressure switch intervention

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Six most common causes of dropping pressure.

Each noise points to a different fault.

7 signs repair isn't worth it anymore.